Physics 1302, Fall, 2007, Prof. Miller, Formula Sheet for Exam #2 e = 1.6 x 10-19 C, ε0 = 8.85 x 10-12 C 2 /(N·m 2 ), μ0 = 4 π x 10-7 T·m /A, c = 3.00 x 10 8 m/s Magnetic flux (uniform field): Φ = B A cos θ ; Faraday’s law: ε = emf around loop = -N ΔΦ / Δ t. Inductance: N Φ = LI ; Induced emf: | | = L | Δ I/ Δ t |. Inductance of a solenoid: A N A n L ⎟ ⎟ ⎠ ⎞ ⎜ ⎜ ⎝ ⎛ = = l l 20 20 . Energy stored in an inductor: 2 2 1 LI U = . Energy density of a magnetic field: 02 2 B u B = . Transformer equation: s p s p p s N N V V I I = = . Capacitive reactance: C X C ω 1 = . Inductive reactance: L X L = . Total reactance (inductor & capacitor in series): C L X X X − = . Complex impedance (eg. series RLC circuit): iX R Z + = . Total impedance (magnitude): 2 2 X R Z + = . Doppler effect: ⎟ ⎠ ⎞ ⎜ ⎝ ⎛ ± = c u f f 1 ' . Electric vs. magnetic field (TEM wave): E = cB . Unpolarized light passing through a polarizer:
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This note was uploaded on 03/15/2009 for the course PHYSICS 1302 taught by Professor Miller during the Fall '07 term at University of Houston.